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Finding the Fourth Proportional to 114,472.36, 157,973.16 and 63,486.10

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Solution

The fourth proportional to 114,472.36, 157,973.16 and 63,486.10 is: 87,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,472.36 : 157,973.16 = 63,486.10 : x
  2. Step 2: Convert to fraction form
    114,472.36/157,973.16 = 63,486.10/x
  3. Step 3: Cross multiply
    114,472.36x = 157,973.16 × 63,486.10
  4. Step 4: Simplify right side
    114,472.36x = 10,029,099,833.08
  5. Step 5: Solve for x
    x = 10,029,099,833.08/114,472.36
  6. Step 6: Final answer
    x = 87,611.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.